code: def test_unicode_ident(self):
      snowman = "\u2603"
      quoted = '"' + snowman + '"'
      self.assertEqual(quote_ident(snowman, self.conn), quoted)
  
imports: from .None import testutils
  import unittest
  from .testutils import ConnectingTestCase, skip_if_crdb
  import psycopg2
  import psycopg2.extensions
  from psycopg2.extensions import adapt, quote_ident
label_desc: Use image node_id 2 for calling the TestQuotedIdentifier obj's underlying member method code with example usage: obj.test_unicode_ident() without return types